This has been a by - product of its interventions in the currency market aimed at keeping the renminbi down against the us dollar 这是中国干预外汇市场、将人民币兑美元汇率保持在低水平的副产品。
Blood tests show that americans are being exposed to secondhand smoke in fewer numbers and at lower levels since the late nineteen eighties 自从1980以后，这种“血液测试”表明，美国人已经认识到了少数低水平的二手烟危害! !
But it is still low - level , incomprehensive and uneven in development in our country at present . in a sense , it is in its primary stage 我国当前的依法治教，仅是低水平的不全面的，发展不平衡的，从某种意义上说正处于初级阶段。
But the peasants can only enjoy the low - level collective security provided by the community , in that security system lands played a very important role 农民基本上是依靠人民公社实现低水平的集体保障，土地的集体所有制起到了重要的作用。
Limit the time you devote to grammar explanations to 10 minutes , especially for lower level students whose ability to sustain attention can be limited 将语法讲解时间缩短到10分钟以内，特别是对低水平的学生，他们的注意力维持时间是有限的。
Context low levels of cardiorespiratory fitness are associated with high risk of mortality , and improvements in fitness are associated with reduced mortality risk 背景：低水平的心肺功能与发病率的高风险相关，提高其适应性可以减少发病风险。
Reducing low - grade inflammation and endothelial activation may be another potential mechanism by which alcoholic beverages exert their cardioprotective effect 降低低水平的炎症核内皮细胞激活可能是酒精饮料发挥心血管保护作用的另一个可能机制。
The degree to which chronic , low - level pollution constitutes a risk to biodiversity is less clear than for acute exposures , but several facts are worth noting 缓慢的低水平的污染对生物多样性构成的威胁不很明显，但是有几个事实值得人们引起注意。
The difficulties in purchasing foreign books are the in adequacy of effective purchasing information , the unreasonable prices of the books and the low level service of supplement 外文图书采购面临着缺乏有效采访信息、图书定价不合理及低水平的服务供给等困难。
The housing market ' s downswing may not yet be over ; and its weakness could prompt consumers to increase their ultra - low saving rates , cutting into demand 房屋市场的衰落趋势或许尚未结束，而且其疲软状态会促使消费者提高原本处在极低水平的储蓄率，这会降低需求。
